QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem901027
USGS iscgem901027

3 Oct 1941, 17:13

68 km W of Ferndale, California

A magnitude 6.5 mw earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated26 April 2022Latest timestamp stored in this record

Published location

Where is 68 km W of Ferndale, California?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

40.488000, -125.064000

Open the interactive map ↗

Map data © OpenStreetMap contributors

What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

Need a current safety answer?

Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

Open the USGS event →

Continue exploring

Nearby events with a similar magnitude

M 6.5

52 km WNW of Big Lagoon, California

M 6.5

The 2010 Eureka, California Earthquake

M 6.45

The 1932 Eureka, California Earthquake

M 6.45

30 km WSW of Ferndale, California

M 6.44

169 km W of Crescent City, California

M 6.42

187 km W of Trinidad, California

Catalog fields and provenance
Event ID
iscgem901027
Coordinates
40.488, -125.064
Network
iscgem
Significance
648